Algea ID with Microsoft Pics Help - GHA or Diatoms?

[jdm85]

Does this look more like GHA or Diatoms?

 

[vetteguy53081]

Some look like gha and last pic looks like bryopsis

 

[jdm85]

Some look like gha and last pic looks like bryopsis

The algae under the microscope was taken from the sand bed in the last pic

 

[jdm85]

 

[vetteguy53081]

These may be bryopsis. These can also be scraped off bottom easliy with edge of an old credit card